the product. The HP Printer Utility is a software program that is available only for Mac OS X v10.2 and later.

The HP Printer Utility can be found on the HP Color LaserJet Enterprise CP4020-CP4520 Series printing-system software CD-ROM that came with the product. If you do not have the CD-ROM, you can obtain the HP Printer Utility by downloading the latest product installer from www.hp.com/go/ cljcp4025_software or www.hp.com/go/cljcp4525_software.

The firmware file can be downloaded from the following Web site:

www.hp.com/go/cljcp4025_firmware or www.hp.com/go/cljcp4525_firmware

After you have the firmware file and the HP Printer Utility, you are ready to begin the update process. Complete the following steps:

1.Open the HP Printer Utility.

2.In the Information And Support section of the HP Utility, select File Upload, click Choose, browse to firmware upgrade file, and then click Open.

3.On the File Upload screen, click Upload.

NOTE: You might receive an error message on the screen indicating that the product is offline. Verify that the product is turned on. If it is, ignore the message. The Updating screen appears and the update proceeds as expected.

4.The update process can take several minutes. Let the process finish without further interaction with the product or the computer.

NOTE: The product automatically turns off and then on again to activate the update; this can happen more than once. At the end of the update process, the READY message appears on the control panel. Do not turn off the product or interfere with the update until you see this message.

5.Print a configuration page and verify that the firmware revision number matches the revision of the current update.

186 Chapter 5 Macintosh software and utilities

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